Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , at least you’ve already had that apprehension. So when you hear an alternator noise on Toyota Aygo 2, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this article to help you find the sources of alternator sounds. In this article, you will first see the role and functions of the alternator in your Toyota Aygo 2 and then what the causes and solutions to alternator noise on Toyota Aygo 2 may be.
Role and alternator operation Toyota Aygo 2
Alternator role
Your alternator is an fundamental component of your Toyota Aygo 2. Indeed, its objective is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the car is in motion, to provide power to the car in motion and to allow you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
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The alternator functions on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will furnish the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Toyota Aygo 2 engine stops, the battery takes over to furnish the car with energy.
What are the several alternator noises or sounds on my Toyota Aygo 2 and what are the causes?
I listen to a knocking noise caused by the alternator of my Toyota Aygo 2
One of the characteristic noises of a tired alternator on Toyota Aygo 2 is a knocking noise. This alternator sound on Toyota Aygo 2 will generally appear when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical elements such as headlights for example. Most often, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your car with the engine running and you must look for a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Toyota Aygo 2 is tired and you should think about changing the bearing if it is the only cause otherwise the entire part.
I hear a grinding noise coming from the alternator of my Toyota Aygo 2
If you are in the case where the alternator of your Toyota Aygo 2 generates grinding sounds, in this circumstance you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in most cases, we generally see by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we advise that you consult this article to find all the necessary details to solve an accessory belt noise on Toyota Aygo 2.
I hear a loud noise from the alternator of my Toyota Aygo 2
Finding out a loud noise from the alternator of your Toyota Aygo 2 is quite common, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to examine that the battery indicator light on your dashboard does not appear, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we advise that you take a look at this article to find other ways to solve problem of noises from front end on Toyota Aygo 2.
